Home security depends on knowing exactly who can unlock your doors. Rekeying changes which key works your locks while keeping the same hardware on the door. For many homeowners and renters in Bismarck and Mandan, rekeying provides a clear way to update security without replacing every lock.
In this guide, we explain five signs that suggest it is time to rekey your home locks. These signs apply whether you live in a single-family home, a townhome, or an apartment in either city.
1. You Moved Into a New Home or Apartment
A move is one of the strongest reasons to rekey your locks. When you move into a new place in Bismarck or Mandan, you usually do not know how many keys exist. Previous owners, tenants, real estate agents, contractors, or neighbors may still have copies.
Rekeying gives you a fresh starting point. A locksmith changes the internal pins in the lock cylinder so a new key works and all old keys stop working. This helps you take control of access from the first day you call the property your own.
2. You Lost a Key or Did Not Get One Back
Keys move around more than most people realize. They fall out of pockets at the Bismarck Event Center, stay behind after a weekend at a friend’s house, or remain with a contractor who never returns them. If you cannot say exactly where every copy is, rekeying becomes an important step.
This is especially true in shared living setups or after a change in who you trust with access. Rekeying helps when:
- A spare key disappears and you cannot confirm who might find it.
- You gave a key to a pet sitter, cleaner, or contractor and did not receive it back.
In each of these situations, the lock still works, but your control over the key has weakened. Rekeying restores that control by making old keys useless and giving you a new set that you can track.
3. Different Doors Use Different Keys
Many homes in Bismarck and Mandan use different keys for the front door, garage entry, and back door. Carrying several keys can slow you down, especially on cold or windy days. It also increases the chance that someone uses the wrong key, forces it, and damages the lock.
Rekeying can often change that pattern. If the locks are compatible, a locksmith can rekey several locks so they all accept the same key. You keep the look of your current hardware, but you gain a simpler key setup. This helps you move more smoothly between doors and gives you fewer keys to manage and store.
4. There Has Been a Break-In or Attempted Break-In
A break-in or attempted break-in is a strong signal that your security needs attention. Even if the intruder did not use a key, the event raises questions about who might have copies and how strong the locks are. Damage may not be immediately apparent from the outside, but pins or internal parts may no longer be positioned as they should be.
After law enforcement finishes their work, rekeying helps you regain control over your locks. In some cases, rekeying may come with hardware replacement if the lock body or door jamb shows clear damage. In Bismarck and Mandan, we often see this on garage entries, basement doors, and back doors that are less visible from the street. Rekeying and repair together help you feel more comfortable staying in the home after the event.
5. Your Locks Feel Rough or Hard to Turn
Wear and tear shows up slowly. Over time, keys and lock pins wear down, and dust or grit can get inside the lock. You may notice that the key sticks, needs extra pressure, or must be wiggled to work. These symptoms often appear before the key breaks or the lock fails completely.
Rekeying can address some of this wear by replacing the pins inside the lock and pairing them with a fresh key. During this process, a locksmith can also spot other problems, such as a bent latch or a misaligned strike plate. If the lock is in good shape, you keep the same hardware and enjoy a smoother action. If the lock is beyond rekeying, you can decide to replace it before a full failure leaves you locked out.
Why Bismarck and Mandan Residents Choose Rekeying
Rekeying fits the way many people in this area live. Homeowners in older neighborhoods, newer developments, and rural edges often choose rekeying when they want more control without replacing every lock. Landlords use rekeying between tenants, and families use it when kids grow up and move out or when they update who has access.
Common reasons residents in Bismarck and Mandan call for rekeying include:
- Buying a home with an unknown key history.
- Changing tenants in a rental house or duplex.
- Reducing several keys to a single house key for all exterior doors.
Rekeying usually costs less than full replacement and takes less time for a whole set of doors. It also lets you keep hardware that matches your décor while changing the key pattern behind the scenes.
How Rekeying a Lock Typically Works
During a rekey visit, a locksmith begins by inspecting your locks to ensure they are in good condition. If the hardware looks sound, the locksmith removes the lock from the door and takes out the cylinder. Inside that cylinder, small pins match the cuts on your current key.
The locksmith replaces those pins with a new layout that matches a new key. After reassembly, the lock is reattached to the door and tested several times. The new keys work smoothly, and any old keys stop working. By the end of the visit, you have a clear set of working keys and a better sense of who can open each door.
Need Help Rekeying Locks in Bismarck or Mandan?
If you see yourself in any of these five signs, rekeying may be the right next step for your home. Updating your keys can protect your family, simplify daily life, and reduce worry after a move, a loss, or a break-in.
Warren’s Locks and Keys rekeys locks for homeowners, renters, and landlords across Bismarck and Mandan. Contact us to explain your situation, whether you’ve relocated, lost a key, or need a single key for multiple doors. We will review your options, share pricing, and schedule a service that helps your locks match the way you live today.

